9748661 has 8 divisors (see below), whose sum is σ = 10697400. Its totient is φ = 8828352.

The previous prime is 9748657. The next prime is 9748681. The reversal of 9748661 is 1668479.

9748661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2910436 + 6838225 = 1706^2 + 2615^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9748661 - 2² = 9748657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9748681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6386 + ... + 7763.

It is an arithmetic number, because the mean of its divisors is an integer number (1337175).

Almost surely, 2^9748661 is an apocalyptic number.

It is an amenable number.

9748661 is a deficient number, since it is larger than the sum of its proper divisors (948739).

9748661 is a wasteful number, since it uses less digits than its factorization.

9748661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14215.

The product of its digits is 72576, while the sum is 41.

The square root of 9748661 is about 3122.2845802393. The cubic root of 9748661 is about 213.6231539962.

The spelling of 9748661 in words is "nine million, seven hundred forty-eight thousand, six hundred sixty-one".